| 摘要 |
Multimodal rock disintegration by non-contact thermal effect, spallation, melting, evaporation of a rock through a movable electric arc, arc thermal expansion and subsequent shock pressure wave allows in comparison with currently available and known technologies to drill into the rock by direct action of the electric arc and heat flows generated by the electric arc. The principle of the disintegration is based on the electric arc generation, force action to it and pressing it towards the rock intended to disintegrate, which causes heating of the rock so that a phase change and thermal disintegration of the rock occurs. Subsequently, the crushed rock is transported by a fluid streams, which are involved in stabilizing and guiding of the electric arc, from the area between the rock and the electric arc, which is the area of the rock disintegration. |
| 主权项 |
1. Multimodal rock disintegration by thermal effect of an electric arc action produced in an electric arc generator characterized in that the electric arc acts directly on the rock, wherein at least a part of the electric arc is pressed against the rock surface by the action of forces caused by fluid streams, which act on the electric arc concurrently by tangential-radial component and axially pressure component and from the fluid streams towards the rock being disintegrated, a vortex stream of plasma is generated, by action of which apart of the electric arc is shaped to the shape of a spiral, which rotates in a specified discoid area in close proximity above the surface of the rock being disintegrated, wherein it leads to intense heating of the rock and thereby to its disintegration, and subsequently to its transported away from area where the rock is disintegrated. |
